Home / 165,726.03-228,700.76-90,274.53

Finding the Fourth Proportional to 165,726.03, 228,700.76 and 90,274.53

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Solution

The fourth proportional to 165,726.03, 228,700.76 and 90,274.53 is: 124,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,726.03 : 228,700.76 = 90,274.53 : x
  2. Step 2: Convert to fraction form
    165,726.03/228,700.76 = 90,274.53/x
  3. Step 3: Cross multiply
    165,726.03x = 228,700.76 × 90,274.53
  4. Step 4: Simplify right side
    165,726.03x = 20,645,853,168.27
  5. Step 5: Solve for x
    x = 20,645,853,168.27/165,726.03
  6. Step 6: Final answer
    x = 124,578.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.